Website review illusionsindex.org
Home - The Illusions Index
Generated on March 25 2026 02:22 AM
Old data? UPDATE !
The score is 74/100
SEO Content
Title
Home - The Illusions Index
Length : 26
Perfect, your title contains between 10 and 70 characters.
Description
The Illusions Index is a fully searchable curated collection of illusions brought to you by the Centre for the Study of Perceptual Experience.
Length : 142
Great, your meta description contains between 70 and 160 characters.
Keywords
illusions, hallucination, perception, the senses, philosophy, psychology, index, resource, research
Good, your page contains meta keywords.
Og Meta Properties
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| title | Home - The Illusions Index |
| url | https://www.illusionsindex.org |
| site_name | The Illusions Index |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 2 | 0 | 3 | 0 | 0 | 0 |
- [H1] Investigate Your Senses
- [H1] Welcome to The Illusions Index
- [H3] Recent Additions
- [H3] UofG CSPE on Twitter
- [H3] Master of Illusions Quiz
Images
We found 11 images on this web page.
11 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio
Ratio : 24%
Good, this page's ratio of text to HTML code is higher than 15, but lower than 25 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 19 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| HOME | Internal | Passing Juice |
| ABOUT | Internal | Passing Juice |
| EXPLORE | Internal | Passing Juice |
| SUGGEST | Internal | Passing Juice |
| DONATE | Internal | Passing Juice |
| FEEDBACK | Internal | Passing Juice |
| QUIZ | Internal | Passing Juice |
| Duck-Rabbit | Internal | Passing Juice |
| Grey strawberries | Internal | Passing Juice |
| Skipping Pylon | Internal | Passing Juice |
| Troxler Effect | Internal | Passing Juice |
| VIEW MORE | Internal | Passing Juice |
| Waterfall Illusion | Internal | Passing Juice |
| Centre for the Study of Perceptual Experience | External | Passing Juice |
| Flash-lag Illusion | Internal | Passing Juice |
| Sound-Induced Flash Illusion | Internal | Passing Juice |
| Show Random Illusion | Internal | Passing Juice |
| Beat the quiz | Internal | Passing Juice |
| Mucky Puddle | External | Passing Juice |
SEO Keywords
Keywords Cloud
illusion index senses perceive home quiz how explore illusions world
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| illusions | 14 |  |
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| illusion | 6 | |
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| senses | 5 |  |
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| index | 5 | |
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| explore | 5 | |
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Usability
Url
Domain : illusionsindex.org
Length : 18
Favicon
Great, your website has a favicon.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Great no email address has been found in plain text!
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
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Too bad, your website is using inline styles. |
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Great, your website has few CSS files. |
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Perfect, your website has few JavaScript files. |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
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Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://www.illusionsindex.org/sitemap.xml |
Robots.txt
https://illusionsindex.org/robots.txt
Great, your website has a robots.txt file.
Analytics
Great, your website has an analytics tool.
Google Analytics |
PageSpeed Insights
Device
Categories
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